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Lenhard, Wolfgang; Lenhard, Alexandra – Educational and Psychological Measurement, 2021
The interpretation of psychometric test results is usually based on norm scores. We compared semiparametric continuous norming (SPCN) with conventional norming methods by simulating results for test scales with different item numbers and difficulties via an item response theory approach. Subsequently, we modeled the norm scores based on random…
Descriptors: Test Norms, Scores, Regression (Statistics), Test Items
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Emma Somer; Carl Falk; Milica Miocevic – Structural Equation Modeling: A Multidisciplinary Journal, 2024
Factor Score Regression (FSR) is increasingly employed as an alternative to structural equation modeling (SEM) in small samples. Despite its popularity in psychology, the performance of FSR in multigroup models with small samples remains relatively unknown. The goal of this study was to examine the performance of FSR, namely Croon's correction and…
Descriptors: Scores, Structural Equation Models, Comparative Analysis, Sample Size
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Puhan, Gautam; Kim, Sooyeon – Journal of Educational Measurement, 2022
As a result of the COVID-19 pandemic, at-home testing has become a popular delivery mode in many testing programs. When programs offer at-home testing to expand their service, the score comparability between test takers testing remotely and those testing in a test center is critical. This article summarizes statistical procedures that could be…
Descriptors: Scores, Scoring, Comparative Analysis, Testing
Wang, Lu; Steedle, Jeffrey – ACT, Inc., 2020
In recent ACT mode comparability studies, students testing on laptop or desktop computers earned slightly higher scores on average than students who tested on paper, especially on the ACT® reading and English tests (Li et al., 2017). Equating procedures adjust for such "mode effects" to make ACT scores comparable regardless of testing…
Descriptors: Test Format, Reading Tests, Language Tests, English
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Arce-Ferrer, Alvaro J.; Bulut, Okan – International Journal of Testing, 2017
This study examines separate and concurrent approaches to combine the detection of item parameter drift (IPD) and the estimation of scale transformation coefficients in the context of the common item nonequivalent groups design with the three-parameter item response theory equating. The study uses real and synthetic data sets to compare the two…
Descriptors: Item Response Theory, Equated Scores, Identification, Computation
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Nazari, Sanaz; Leite, Walter L.; Huggins-Manley, A. Corinne – Journal of Experimental Education, 2023
The piecewise latent growth models (PWLGMs) can be used to study changes in the growth trajectory of an outcome due to an event or condition, such as exposure to an intervention. When there are multiple outcomes of interest, a researcher may choose to fit a series of PWLGMs or a single parallel-process PWLGM. A comparison of these models is…
Descriptors: Growth Models, Statistical Analysis, Intervention, Comparative Analysis
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Papadimitropoulou, Katerina; Stijnen, Theo; Riley, Richard D.; Dekkers, Olaf M.; Cessie, Saskia – Research Synthesis Methods, 2020
Meta-analysis of individual participant data (IPD) is considered the "gold-standard" for synthesizing clinical study evidence. However, gaining access to IPD can be a laborious task (if possible at all) and in practice only summary (aggregate) data are commonly available. In this work we focus on meta-analytic approaches of comparative…
Descriptors: Meta Analysis, Correlation, Scores, Outcomes of Treatment
Benton, Tom; Leech, Tony; Hughes, Sarah – Cambridge Assessment, 2020
In the context of examinations, the phrase "maintaining standards" usually refers to any activity designed to ensure that it is no easier (or harder) to achieve a given grade in one year than in another. Specifically, it tends to mean activities associated with setting examination grade boundaries. Benton et al (2020) describes a method…
Descriptors: Mathematics Tests, Equated Scores, Comparative Analysis, Difficulty Level
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Erps, Ryan C.; Noguchi, Kimihiro – Journal of Educational and Behavioral Statistics, 2020
A new two-sample test for comparing variability measures is proposed. To make the test robust and powerful, a new modified structural zero removal method is applied to the Brown-Forsythe transformation. The t-test-based statistic allows results to be expressed as the ratio of mean absolute deviations from median. Extensive simulation study…
Descriptors: Statistical Analysis, Comparative Analysis, Robustness (Statistics), Sample Size
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de Azevedo, Renato A.; Correa, Marcos B.; Torriani, Marcos A.; Lund, Rafael G. – Anatomical Sciences Education, 2018
Knowledge of dental anatomy is of great importance in the practice of dentistry, especially in oral rehabilitation, because without this knowledge, professional practice is not possible. Dental carving plays a major role in training dental students as it develops their manual dexterity. This randomized controlled trial aimed to evaluate the…
Descriptors: Anatomy, Science Instruction, Graduate Students, Dentistry
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Muniroglu, Surhat; Subak, Erdem – Journal of Education and Training Studies, 2018
The ability of change of direction quickly, in other words agility, and short distance sprinting speed are two of the most important performance components for football referees. The tests used by FIFA and UEFA such as Cooper Test, Yo-Yo Intermittent Test, 40 × 75 m tests do not include testing the agility skills of the referees. However,…
Descriptors: Comparative Analysis, Team Sports, Physical Activities, Athletes
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Zekioglu, Aylin; Tatar, Arkun; Ozdemir, Hudanur – Journal of Education and Training Studies, 2018
The aim of this study is to examine the relationship between social skills and sports participation of non-athlete participants. The data of this study were collected by using the Convenience Sampling Method from 197 females (59.3%) and 135 males (40.7%), a total of 332 participants, ranging in age from 17 to 67 years (mean = 28.72 ± 9.31 years).…
Descriptors: Athletics, Interpersonal Competence, Participation, Adults
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Arikan, Çigdem Akin – International Journal of Progressive Education, 2018
The main purpose of this study is to compare the test forms to the midi anchor test and the mini anchor test performance based on item response theory. The research was conducted with using simulated data which were generated based on Rasch model. In order to equate two test forms the anchor item nonequivalent groups (internal anchor test) was…
Descriptors: Equated Scores, Comparative Analysis, Item Response Theory, Tests
Bucknor Rodney, Camille Aretha – ProQuest LLC, 2022
The COVID-19 pandemic provided an opportunity to explore how different modes of learning may impact student achievement. Little research has been conducted regarding how the pandemic may have affected students' reading skills. The problem addressed in this study was that the effects of varying and inconsistent learning environments for Title I K-2…
Descriptors: Statistical Analysis, Outcomes of Education, Elementary School Students, Pandemics
Ayodele, Alicia Nicole – ProQuest LLC, 2017
Within polytomous items, differential item functioning (DIF) can take on various forms due to the number of response categories. The lack of invariance at this level is referred to as differential step functioning (DSF). The most common DSF methods in the literature are the adjacent category log odds ratio (AC-LOR) estimator and cumulative…
Descriptors: Statistical Analysis, Test Bias, Test Items, Scores
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